Daily Sunspot Evaluation
Observation Sheet Monday, 25 July 1983
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 5
- Number of spots (f)
- 41
- Relative number (R)
- 91
- Observer
- TS
- Reading
- all checks consistent
- File
- 19830725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKI – 19 | 8 | 48W | 98 | 5W | 14 | 211 |
| 2 | BRI – 10 | 10 | 35W | 85 | 38W | 4 | 207 |
| 3 | DKO – 10 | -6 | 49W | 99 | 52W | 10 | 212 |
| 4 | AXX – 1 | -10 | 36W | 86 | 39W | - | 219/220 |
| 5 | ? – 1 | -21 | 69E | 341 | 66E | 2 | 218 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.